diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-01 15:09:56 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-01 15:09:56 -0400 |
commit | d9adc581a8c4894cb66b84b556cfa15a332d79c9 (patch) | |
tree | 5a89350266b600a3adf22837c3caa61ac257303b /src/libsystemd/libsystemd-internal/sd-bus/bus-slot.c | |
parent | 36b949f7c4214c6d676d056d6724b55b1abce137 (diff) |
./move.sh
Diffstat (limited to 'src/libsystemd/libsystemd-internal/sd-bus/bus-slot.c')
-rw-r--r-- | src/libsystemd/libsystemd-internal/sd-bus/bus-slot.c | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/src/libsystemd/libsystemd-internal/sd-bus/bus-slot.c b/src/libsystemd/libsystemd-internal/sd-bus/bus-slot.c new file mode 100644 index 0000000000..b1783cd4a9 --- /dev/null +++ b/src/libsystemd/libsystemd-internal/sd-bus/bus-slot.c @@ -0,0 +1,286 @@ +/*** + This file is part of systemd. + + Copyright 2013 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <systemd/sd-bus.h> + +#include "alloc-util.h" +#include "bus-control.h" +#include "bus-objects.h" +#include "bus-slot.h" +#include "string-util.h" + +sd_bus_slot *bus_slot_allocate( + sd_bus *bus, + bool floating, + BusSlotType type, + size_t extra, + void *userdata) { + + sd_bus_slot *slot; + + assert(bus); + + slot = malloc0(offsetof(sd_bus_slot, reply_callback) + extra); + if (!slot) + return NULL; + + slot->n_ref = 1; + slot->type = type; + slot->bus = bus; + slot->floating = floating; + slot->userdata = userdata; + + if (!floating) + sd_bus_ref(bus); + + LIST_PREPEND(slots, bus->slots, slot); + + return slot; +} + +_public_ sd_bus_slot* sd_bus_slot_ref(sd_bus_slot *slot) { + + if (!slot) + return NULL; + + assert(slot->n_ref > 0); + + slot->n_ref++; + return slot; +} + +void bus_slot_disconnect(sd_bus_slot *slot) { + sd_bus *bus; + + assert(slot); + + if (!slot->bus) + return; + + switch (slot->type) { + + case BUS_REPLY_CALLBACK: + + if (slot->reply_callback.cookie != 0) + ordered_hashmap_remove(slot->bus->reply_callbacks, &slot->reply_callback.cookie); + + if (slot->reply_callback.timeout != 0) + prioq_remove(slot->bus->reply_callbacks_prioq, &slot->reply_callback, &slot->reply_callback.prioq_idx); + + break; + + case BUS_FILTER_CALLBACK: + slot->bus->filter_callbacks_modified = true; + LIST_REMOVE(callbacks, slot->bus->filter_callbacks, &slot->filter_callback); + break; + + case BUS_MATCH_CALLBACK: + + if (slot->match_added) + bus_remove_match_internal(slot->bus, slot->match_callback.match_string, slot->match_callback.cookie); + + slot->bus->match_callbacks_modified = true; + bus_match_remove(&slot->bus->match_callbacks, &slot->match_callback); + + free(slot->match_callback.match_string); + + break; + + case BUS_NODE_CALLBACK: + + if (slot->node_callback.node) { + LIST_REMOVE(callbacks, slot->node_callback.node->callbacks, &slot->node_callback); + slot->bus->nodes_modified = true; + + bus_node_gc(slot->bus, slot->node_callback.node); + } + + break; + + case BUS_NODE_ENUMERATOR: + + if (slot->node_enumerator.node) { + LIST_REMOVE(enumerators, slot->node_enumerator.node->enumerators, &slot->node_enumerator); + slot->bus->nodes_modified = true; + + bus_node_gc(slot->bus, slot->node_enumerator.node); + } + + break; + + case BUS_NODE_OBJECT_MANAGER: + + if (slot->node_object_manager.node) { + LIST_REMOVE(object_managers, slot->node_object_manager.node->object_managers, &slot->node_object_manager); + slot->bus->nodes_modified = true; + + bus_node_gc(slot->bus, slot->node_object_manager.node); + } + + break; + + case BUS_NODE_VTABLE: + + if (slot->node_vtable.node && slot->node_vtable.interface && slot->node_vtable.vtable) { + const sd_bus_vtable *v; + + for (v = slot->node_vtable.vtable; v->type != _SD_BUS_VTABLE_END; v++) { + struct vtable_member *x = NULL; + + switch (v->type) { + + case _SD_BUS_VTABLE_METHOD: { + struct vtable_member key; + + key.path = slot->node_vtable.node->path; + key.interface = slot->node_vtable.interface; + key.member = v->x.method.member; + + x = hashmap_remove(slot->bus->vtable_methods, &key); + break; + } + + case _SD_BUS_VTABLE_PROPERTY: + case _SD_BUS_VTABLE_WRITABLE_PROPERTY: { + struct vtable_member key; + + key.path = slot->node_vtable.node->path; + key.interface = slot->node_vtable.interface; + key.member = v->x.method.member; + + + x = hashmap_remove(slot->bus->vtable_properties, &key); + break; + }} + + free(x); + } + } + + free(slot->node_vtable.interface); + + if (slot->node_vtable.node) { + LIST_REMOVE(vtables, slot->node_vtable.node->vtables, &slot->node_vtable); + slot->bus->nodes_modified = true; + + bus_node_gc(slot->bus, slot->node_vtable.node); + } + + break; + + default: + assert_not_reached("Wut? Unknown slot type?"); + } + + bus = slot->bus; + + slot->type = _BUS_SLOT_INVALID; + slot->bus = NULL; + LIST_REMOVE(slots, bus->slots, slot); + + if (!slot->floating) + sd_bus_unref(bus); +} + +_public_ sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot) { + + if (!slot) + return NULL; + + assert(slot->n_ref > 0); + + if (slot->n_ref > 1) { + slot->n_ref --; + return NULL; + } + + bus_slot_disconnect(slot); + free(slot->description); + free(slot); + + return NULL; +} + +_public_ sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot) { + assert_return(slot, NULL); + + return slot->bus; +} + +_public_ void *sd_bus_slot_get_userdata(sd_bus_slot *slot) { + assert_return(slot, NULL); + + return slot->userdata; +} + +_public_ void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata) { + void *ret; + + assert_return(slot, NULL); + + ret = slot->userdata; + slot->userdata = userdata; + + return ret; +} + +_public_ sd_bus_message *sd_bus_slot_get_current_message(sd_bus_slot *slot) { + assert_return(slot, NULL); + assert_return(slot->type >= 0, NULL); + + if (slot->bus->current_slot != slot) + return NULL; + + return slot->bus->current_message; +} + +_public_ sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *slot) { + assert_return(slot, NULL); + assert_return(slot->type >= 0, NULL); + + if (slot->bus->current_slot != slot) + return NULL; + + return slot->bus->current_handler; +} + +_public_ void* sd_bus_slot_get_current_userdata(sd_bus_slot *slot) { + assert_return(slot, NULL); + assert_return(slot->type >= 0, NULL); + + if (slot->bus->current_slot != slot) + return NULL; + + return slot->bus->current_userdata; +} + +_public_ int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description) { + assert_return(slot, -EINVAL); + + return free_and_strdup(&slot->description, description); +} + +_public_ int sd_bus_slot_get_description(sd_bus_slot *slot, const char **description) { + assert_return(slot, -EINVAL); + assert_return(description, -EINVAL); + assert_return(slot->description, -ENXIO); + + *description = slot->description; + return 0; +} |